Journal
CHINESE SCIENCE BULLETIN
Volume 57, Issue 33, Pages 4284-4288Publisher
SCIENCE PRESS
DOI: 10.1007/s11434-012-5430-6
Keywords
tetraphenylethylene; diphenylalanine; gel; aggregation-induced emission (AIE)
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Funding
- National Natural Science Foundation of China [50973120, 21021091]
- National Basic Research Program of China [2011CB808401]
- Chinese Academy of Sciences
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A new gelator 1 based on tetraphenylethylene (TPE) and diphenylalanine was designed and synthesized. Compound 1 was non-emissive in solution, but its fluorescence turned on after the formation of gels, due to the aggregation-induced emission (AIE) feature of TPE. Interestingly, the fluorescence was reversibly switched on-off upon the gel-sol transition. Scanning electron microscope (SEM), confocal laser scanning microscope (CLSM) and X-ray diffraction (XRD) were employed to study the gels.
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